Registration Dossier
Registration Dossier
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EC number: 935-606-2 | CAS number: 1329658-14-1
Boiling point
Administrative data
Link to relevant study record(s)
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 13 June 2019 to 17 June 2019
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling Point)
- Version / remarks:
- Organisation for Economic Co-operation and Development (OECD), Guidelines for Testing of Chemicals, Guideline No. 103, “Boiling Point”, adopted July 27, 1995
- Deviations:
- yes
- Remarks:
- See "Any other information" for details
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Version / remarks:
- Commission Regulation (EC) No 440/2008 of 30 May 2008 laying down test methods pursuant to Regulation (EC) No 1907/2006 of the European Parliament and of the Council on the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH), Method A.2., Official Journal of the European Union L 142 of 31 May 2008
- Deviations:
- yes
- Remarks:
- See "Any other information" for details
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- method according to Siwoloboff
- Specific details on test material used for the study:
- No further details specified in the study report.
- Key result
- Atm. press.:
- >= 97.6 - <= 98 kPa
- Remarks on result:
- not determinable
- Remarks:
- no exact boiling behaviour was observed
- Conclusions:
- No defined boiling point of NEXAMITE® A56 was determined in the study, as no exact boiling behaviour was observed, but an apparent degradation process was recorded (with densification and colour change of the test item).
- Executive summary:
The principle of study was based on the Siwoloboff method. A small amount of the test item was used to fill a glass tube and was heated at a rate of 0.5°C/minute.
During the controlled heating the appearance, consistency and colour of the sample were observed and recorded.
No defined boiling point of NEXAMITE® A56 was determined in the study, as no exact boiling behaviour was observed, but an apparent degradation process was recorded (with densification and colour change of the test item).
Reference
The reference measurements, the preliminary and the main tests were carried out at 97.6 – 98.0 kPa atmospheric pressure.
During the first main test no exact boiling behaviour was observed. At about 165°C the test item started to turn slightly brown, then melted at about 170°C. The molten test item was dark brown, almost black. From about 345°C a few bubbles were observed, but from 360°C, due to the suspected densification, the formation of bubbles apparently stopped.
Considering the results obtained during the preliminary and the main tests, no further testing was required.
Description of key information
No defined boiling point of NEXAMITE® A56 was determined in the study, as no exact boiling behaviour was observed, but an apparent degradation process was recorded (with densification and colour change of the test item).
Key value for chemical safety assessment
Additional information
The principle of study was based on the Siwoloboff method. A small amount of the test item was used to fill a glass tube and was heated at a rate of 0.5°C/minute.
During the controlled heating the appearance, consistency and colour of the sample were observed and recorded.
No defined boiling point of NEXAMITE® A56 was determined in the study, as no exact boiling behaviour was observed, but an apparent degradation process was recorded (with densification and colour change of the test item).
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